Gtx 680 help with vbios and ultra fast boot

Can anyone help me. I have a PNY gtx 680. I am trying to enable ultra fast boot into windows 8 64. Apparently I need to update the vbios. I have searched everywhere for this update. Can anyone help please. Pete.

Can anyone help me. I have a PNY gtx 680. I am trying to enable ultra fast boot into windows 8 64. Apparently I need to update the vbios. I have searched everywhere for this update. Can anyone help please. Pete.